Ordering Recommendation

Refer to ARUP Immunohistochemistry Stain Offerings brochure at www.aruplab.com/ap/resources.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Tissue

Specimen Preparation

Formalin fi x (10 percent neutral buffered formalin) and paraffi n embed specimen (cells must be prepared into a cellblock). Protect paraffi n block and/or slides from excessive heat. Transport tissue block or 2 unstained (3- to 5-micron thick sections), positively charged slides in a Tissue Transport Kit (ARUP supply #47808 highly recommended) available online through eSupply using ARUP Connect or contact ARUP Client Services at 800-522-2787 (Min: 2 slides). If sending precut slides, do not oven bake.

Storage/Transport Temperature

Room temperature. Also acceptable: Refrigerated. Ship in cooled container during summer months.

Unacceptable Conditions

Tissue or cells not processed and placed in a paraffin block; serum, blood, or other body fluids; tissue not
mounted on positively charged slides.

Remarks
Stability

Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable

Methodology

Qualitative Immunohistochemistry (IHC)

Performed

Mon-Fri

Reported

1-3 days

Reference Interval

Interpretive Data



Compliance Category

Laboratory Developed Test (LDT)

Note

This test is performed as a stain and return service only.

Hotline History

N/A

CPT Codes

88342

Components

Component Test Code* Component Chart Name LOINC
3006243 MTB by IHC Reference Number 94736-6
3006244 MTB by Imunohistochemistry 49461-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

Mycobacterium Tuberculosis by Immunohistochemistry